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Thanks to anti–tumor necrosis factor inhibitors and other highly effective biologic therapies, rheumatologists are increasingly embracing treat to target, a strategy in which patients are closely monitored and medications adjusted until a patient has the least disease activity possible.
Ample evidence from randomized, controlled trials has shown treat to target – sometimes referred to as tight control – to result in better outcomes than standard therapy in rheumatoid arthritis patients.
But in psoriatic arthritis (PsA), a more heterogeneous disorder with skin and nail manifestations as well as joint and connective tissue involvement, remission has historically been less well defined. Only in recent years have endpoints been developed and validated for minimal disease activity in PsA, and evidence in support of a treat-to-target approach is now slowly trickling in.
Mary Jo M. Dales/Frontline Medical News
Dr. Arthur Kavanaugh
At the annual European Congress of Rheumatology, Dr. Arthur Kavanaugh of the University of California, San Diego, presented results from a 5-year extension of a randomized, controlled trial of golimumab in patients with PsA that showed better long-term outcomes in those able to achieve minimal disease activity (MDA) through a treat-to-target strategy.
"I think [the study] does provide some evidence suggesting that treat to target could well be a valuable goal for PsA, Dr. Kavanaugh said. "Right now, RA has the advantage of more studies showing this."
Dr. Kavanaugh and his colleagues’ study used data from an open-label extension of a clinical trial in which about 400 patients were randomized to receive golimumab at 50 mg or 100 mg, or placebo; all placebo patients were crossed over to golimumab treatment at 24 weeks and during the long-term, open-label extension of the trial, were followed for as long as 252 weeks. Patients were assessed at 14, 24, and 52 weeks, then yearly until week 252. The investigators used a validated composite endpoint that included measures of skin, joint, and enthesis involvement.